Even fewer would have the patience to catch, weigh, measure, and identify hundreds of small birds and record their diets of seeds. But for the Grants, the rewards have been great: They have done ...

the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped beak suited for stripping bark to find insects. The Grants have focused ...

It has become very common in suburban areas and is easily attracted in large numbers to seed feeders. Polytypic. Length 6". The house is a relatively small Carpodacus finch with a longish ...